

NGA Security Advisors
Security Consultant, Physical Security Specialist, CPTED Practitioner, Forensic Expert Witness
End Users
Architects, Engineers
Fellow Consultants
Legal
Security Consultant & Physical Security Specialist
Beyond assessments, Security Consultants provide clear recommendations and roadmaps for improvement. They guide decision-makers on investments in security measures, ensure compliance with regulations and industry standards, and help align safety initiatives with organizational goals. Many also deliver training to staff, ensuring everyone understands their role in maintaining a secure workplace. Ultimately, a Security Consultant brings an independent, expert perspective that balances security needs with cost-effectiveness and operational efficiency.
Risk, CPTED & Vulnerability Assessment & Analysis
Our team of certified & designated professionals evaluates physical, technical, and operational vulnerabilities through Risk, CPTED & Vulnerability Assessments, Audits & Inspections. We follow Industry standards using proven concepts to assess, advise, & guide you and your team on our findings and recommendations.
Ensuring Regulatory & Legal Compliance
We work to ensure your security practices align with industry standards, government regulations, and liability protections. Our team has contacts within several related Industries such as Insurance, Legal, Lighting, Landscaping as well as Electrical, Structural, Environmental & Civil Engineering.
Technology Assessment & System Design
Having significant experience in the Security Industry allows us to provide advice on or provide design services for integrated security systems such as Physical Access Control, Video Surveillance, Biometrics, Artificial Intelligence, IoT, License Plate Recognition, Parking & Vehicle Gate Entrance, Interior Entrance & Exterior Barrier Protection. The goal is to provide an integrated ecosystem of technology solutions that provide efficiencies to the operators, employees, contractors, and leadership.
Security Strategic Planning
We create & develop comprehensive security plans, policies, strategies, and procedures tailored to the organization’s environment, compliance needs, and risk profile. The goal is to maximize the efficiency of existing defenses.
Incident Response Management & Recovery
We can provide guidance on planning for and responding to security incidents with contingency plans such as crisis management and business continuity strategies, to guide the organization's actions during and after a security event.
CPTED Practitioner
A CPTED (Crime Prevention Through Environmental Design) physical vulnerability assessment focuses specifically on how the physical environment can be designed or modified to reduce opportunities for crime and enhance safety. This assessment incorporates principles of urban planning, architecture, and landscape design to create safer spaces.
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Key components of a CPTED physical vulnerability assessment include:
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Territorial Reinforcement defines spaces to create a sense of ownership, making it easier to identify intruders and encouraging property owners to monitor and report suspicious activity.
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Natural Access Control uses design elements like entrances, exits, and landscaping to limit access and clearly define public and private spaces, complementing security measures.
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Maintenance ensures the environment is well-kept, signaling ownership and discouraging disorder, as seen in the Broken Window Theory.
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Social Management promotes positive interactions through community engagement and collaboration among planners, law enforcement, and local stakeholders.​
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Natural Surveillance enhances visibility by designing spaces to allow people to see and be seen, deterring potential offenders through the increased risk of detection.
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The goal of a CPTED assessment is to create an environment that naturally discourages crime while promoting safety and community well-being.
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Forensic Expert Witness Services
NGA Security Advisors offer Forensic Expert Witness testimony services to the legal community. With a strong foundation in the Electronic Security Industry, we offer reliable and articulate expert witness testimony grounded in years of professional experience. Our team possesses a deep understanding of both the technical and practical aspects of the Security Industry, enabling us to analyze complex information, form clear and defensible opinions, and communicate findings with precision. Our ability to break down intricate concepts into accessible language makes his testimony impactful and easily understood by judges, juries, and attorneys alike. Whether in depositions or courtroom settings, we can present evidence with confidence, clarity, and impartiality, always adhering to the highest ethical standards.
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Charles can collaborate with legal teams to develop case strategies, preparing detailed expert reports, and delivering objective, fact-based testimony in both civil and criminal matters. He is skilled at withstanding cross-examination while maintaining professionalism and composure, ensuring credibility remains intact throughout legal proceedings. Charles understands the legal process & the pivotal role expert witness plays in influencing outcomes, and he is committed to providing insights that are both technically sound and legally relevant. His track record reflects a reputation for integrity, thoroughness, and the ability to support the legal community with compelling, evidence-based testimony.
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Charles is especially proud to offer this service and partnership to the legal community as he is the Grandson of Arrie Lee Johnson, an Attorney & Probate Judge who practiced law for over 40 years in the State of Florida. He was a 1925 Graduate of the University of Florida Law School and immediately began practicing law after graduating, as there was no Bar Exam in 1925.
